Interest Rate Calculator

See the True Rate Behind Repayments

Calculate your interest

This calculator estimates the underlying interest rate of a finance agreement based on the structure of the loan rather than the advertised rate. By factoring in inputs such as loan amount, repayment frequency, balloon payment, payment timing (advance or arrears), and number of repayments, it calculates the effective interest rate and repayment structure. This helps borrowers understand the real cost of finance and compare different lending scenarios more accurately.

Annual Percentage Rate (APR): –

Important: This calculator provides an indicative APR for general information purposes only and does not constitute a quote, credit assessment, or financial advice. Calculations may exclude fees, charges, taxes, and other costs. Actual rates and repayments are subject to lender criteria, approval, and final contract terms.

Why Choose Us

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Our Testimonials

Client's success stories

We’re passionate about helping our clients achieve financial success. See what they have to say about our expertise.

What an amazing and supportive business from the beginning. I could not fault the service, communication and adaptability. I would use again and recommend with confidence. My son recommended them to me, my daughter than used them and then me. No once off. Consistently do a great job.

Alison

This was our first time buying a commercial property and the knowledge, professionalism and service we received was nothing short of amazing. We will be using the team again for any of our future needs and would recommend him to anyone in need of assistance.

Cameron

5 stars doesn't explain the awesome experience of having your finance organized while you continue to manage business operations. No bank bully, only a smooth transition with no wasted time. Strongly recommend this professional service.

Kyra

You know when you have a question but think it's silly or worse stupid, so you don't worry about asking it? Well, that'll never happen with these guys. They welcomed all our questions and made sure we understood it even if it meant by going through it again and again. Very patient, lovely, flexible and most importantly they know what they're doing. Made our loan application such a breeze. I can't thank these guys enough. From the first call to the settlement date, they were always in our corner trying to get the best deal for us. 100% use them again and would recommend them without any hesitation.

Aviral & Tina

Nick assisted us in purchasing a new company vehicle during EOFY. This was an urgent transaction and I'm not sure we would have been successful without Nick's help and expertise. He did all the background work, talked us through any paperwork we had to complete, and made the whole process seamless. We will definitely be using Nick and the Mortar Finance team for future finance needs.

Sharmin

I’ve been fortunate enough to have dealt with Mortar Finance for over 3 years and they’ve been SO helpful. I purchased my first home back in 2020 by myself and since then, I’ve received ongoing support from the team. The team are not only knowledgeable but incredibly supportive and have open lines of communication throughout the whole journey. It can be a very daunting process but I would happily recommend them to anyone I know.

Bree

Highly recommended – Zac and the team at Mortar Finance made it seamless and smooth from start to finish. I have a complicated structure being self employed – Mortar were able to break down our structure and present it in a certain way to the bank in order for our loan needs to be met.

Anthony